/**
 * Copyright (C) 2010 altuure <altuure [AT] gmail [DOT] com> http://www.altuure.com/projects/yagdao
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.altuure.yagdao.blog.dao;

import com.altuure.yagdao.blog.model.Post;
import com.altuure.yagdao.blog.model.Tag;
import com.altuure.yagdao.*;

import java.util.List;

public interface TagDAO extends GenericDAO<Tag, Long> {
    @YMethod(type = YMethodType.SAVE)
    Tag create(@YParameter("post") Post post, @YParameter("tag") String tag);

    @YMethod(type = YMethodType.CRITERIA)
    List<Tag> findByPostId(@YParameter("post.id") long postId);

    @YMethod(type = YMethodType.QUERY, query = "select tag, count(id) as n from Tag group by tag order by count(id) desc")
    List popularTags(YLimit limit);
}
